15911231

素因数分解:

$7^2\times {\mathrm{443}}^1\times {\mathrm{733}}^1$

素因数の和:1190

約数の個数: 12

約数和(自身を含む): 18576072

約数和(自身を除く): 2664841

約数列:

[1, 7, 49, 443, 733, 3101, 5131, 21707, 35917, 324719, 2273033, 15911231]

約数ペア:

[(1, 15911231), (7, 2273033), (49, 324719), (443, 35917), (733, 21707), (3101, 5131)]